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PODCAST

Dairy Digressions

Welcome to Dairy Digressions, the podcast from the American Dairy Science Association. Every other month, host Matt Lucy, PhD, explores the latest developments, fascinating discoveries, and breaking trends in the world of dairy science. From pioneering technologies to innovative research, we cover a range of topics related to the dairy industry and go behind the scenes of the top labs and minds in dairy research. Listen in as we dig deep into the science of dairy and discover what’s new and

science natural sciences

All Episodes

00:44:19

Mapping the Bovine Endometrium, Building a Scientific...

Dairy Digressions ·

2024/11/15

Join us as we delve into the fascinating world of bovine reproduction research with Niamh Forde, PhD, professor and chair of molecular reproductive biosciences at the University of Leeds School of Medicine and cofounder of LeedsOmics, a virtual research institute. Niamh, a passionate scientist and community builder, shares her journey from a young, curious mind to a leading expert in the field who is currently focused on understanding the molecular interactions between the uterine endometrium and

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00:43:27

What We Know About HPAI H5N1 and Dairy—Interview with...

Dairy Digressions ·

2024/10/08

What has the dairy science community learned since the March 2024 highly pathogenic avian influenza (HPAI) H5N1 outbreak in US dairy herds? That’s the question host Matt Lucy, PhD, is posing to two special guests on the pod: Nicole Martin, PhD, assistant research professor in dairy foods microbiology and associate director of the Milk Quality Improvement Program in the Department of Food Science at Cornell University, and Zelmar Rodriguez, DVM, PhD, assistant professor in the College of Veterinary

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00:44:22

Understanding Sleep, Rest, and Drowsing in Dairy...

Dairy Digressions ·

2024/09/24

We’re celebrating dairy cow behavior this month on the pod as the special issue of JDS Communications, Behavior in Dairy Animals, launches! Host Matt Lucy chats with Katy Proudfoot, PhD, associate professor at the University of Prince Edward Island and director of the Sir James Dunn Animal Welfare Centre at the Atlantic Veterinary College in Prince Edward Island, and Emma Ternman, PhD, associate professor at Nord University. The two are coauthors of an Editor’s Choice article in the special issue

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00:54:54

Automated Health Monitoring, Teaching for the Next...

Dairy Digressions ·

2024/08/28

Buckle up for a lively episode, as we welcome the infectiously energetic Julio Giordano, DVM, PhD, professor of dairy cattle biology and management in the Department of Animal Science and a codirector of the Cornell Institute for Digital Agriculture at Cornell University. Julio originally hails from Balnearia, Argentina, where he grew up learning from his father’s practice as a dairy veterinarian and working on his family’s dairy farms. He joins Matt to explain how this early interest in dairy cow

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00:38:39

BONUS: H5N1 Bird Flu Outbreak and Its Impact on...

Dairy Digressions ·

2024/08/15

Have questions about how the recent H5N1 strain of avian influenza—or bird flu—outbreak is impacting cow health, worker safety, dairy products, and consumer trust?This special bonus episode of Dairy Digressions takes you straight to the heart of the 2024 ADSA Annual Meeting, where top animal health and food safety experts tackle your most pressing H5N1 concerns. Join moderator Jessica McArt, PhD, DVM, DABVP (Dairy Practice), as she poses audience questions to panelists Pamela Ruegg, DVM, MPVM,

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00:42:13

Resilient Dairy Genome, Global Collaboration, and the...

Dairy Digressions ·

2024/06/26

Still reeling from the science outlined by Filippo Miglior, PhD, in episode 6 of the pod? Us too. That’s why we invited special guest Christine Baes, PhD, to give us a download on the follow-up project. Christine is a professor and department chair of the Department of Animal Biosciences and Research Chair in Livestock Genomics at the University of Guelph. She is interested in improving dairy cows’ health, welfare, and productivity through genetics and is the lead investigator of The Resilient Dairy

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00:50:50

Assembled Bovine Blastoids, the Future of Repro...

Dairy Digressions ·

2024/05/17

Deep dive with us into the exciting world of stem cell research as we welcome Carl Jiang, PhD, associate professor at the University of Florida and member of the University of Florida Genetics Institute. Jiang’s work focuses on reproductive biology, with an emphasis on understanding the epigenetic mechanisms during the embryo-development period when most pregnancy losses occur. Carl and host Matt Lucy get caught up during the International Embryo Technology Society’s 50th Annual Conference and

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00:56:31

Fostering Belonging in Our Community, Academia’s...

Dairy Digressions ·

2024/04/16

We don’t pick favorites among our guests, but we’re especially thrilled to welcome Jessica A. A. McArt, DVM, PhD, DABVP (Dairy Practice), to the pod! Jess is the new Editor in Chief of JDS Communications and associate professor of ambulatory and production medicine at Cornell University’s College of Veterinary Medicine, where her McArt Dairy Cow Lab focuses on improving cowside detection and the prevention of periparturient disease. Matt and Jess discuss her journey into dairy science—from growing

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00:52:46

Embryo-Mediated Gene Editing, Coat Color, and...

Dairy Digressions ·

2024/03/20

Join us for a special episode of Dairy Digressions recorded live at the International Embryo Technology Society’s 50th Annual Conference. Between sessions, host Matt Lucy sat down with Goetz Laible, PhD, biochemist and principal scientist at AgResearch and honorary associate professor at the University of Auckland in New Zealand. Their discussion walks listeners through Goetz’s work in developing and evaluating technologies for the genetic improvement of livestock. In the face of our warming

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01:41:56

Dairy’s Environmental Progress, Greenhouse Gas 101,...

Dairy Digressions ·

2024/02/20

Why does the dairy sector have such a good story to tell about environmental sustainability, and how can each of us be a better storyteller for the industry? Join us for a mega episode of Dairy Digressions to find out! Host Matt Lucy is joined by esteemed guest Frank Mitloehner, PhD, a professor and extension specialist in the Department of Animal Science at the University of California, Davis, and director of the UC Davis CLEAR Center. An agricultural engineer and air-quality expert, Frank explains

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00:57:29

Heat Stress, Combating Embryonic Loss, and Tips for...

Dairy Digressions ·

2024/01/17

We’re kicking off the new year—and our new season of Dairy Digressions—with a special guest, Pete Hansen, PhD, Distinguished Professor of Animal Sciences and L. E. “Red” Larson Professor at the University of Florida. Pete’s research focuses on embryo physiology and developing new management strategies for increasing dairy cattle fertility, particularly in the face of heat stress and a warming climate. A leader in embryology and early embryonic loss, Pete explains when embryos are most sensitive to

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00:49:29

Stewardship Toward Healthier Cows, a Sustainable...

Dairy Digressions ·

2023/12/06

Join us for a very special episode of Dairy Digressions with our first-ever guest cohost, Kimmi Devaney of the Progressive Dairy Podcast and former ADSA Undergraduate Student Division president. Joining host Matt Lucy, the two sit down with Daryl Nydam, DVM, PhD, dairy health and production professor who serves as a director in Cornell’s College of Veterinary Medicine and the faculty director at the Cornell Atkinson Center for Sustainability. Daryl’s journey—from his childhood in a dairy and

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00:52:16

Behind the Scenes of Ireland’s Economic Breeding...

Dairy Digressions ·

2023/11/14

Pull up a seat as we dive into dairy genetics and Ireland’s esteemed national dairy breeding index—the Economic Breeding Index (EBI)—with the man who championed it, Donagh Berry, PhD. Berry is a quantitative geneticist and a Senior Principal Research Officer with Teagasc Animal & Grassland Research and Innovation Centre and Director of VistaMilk SFI Research Centre. He joins longtime friend Matt for a special installment of Dairy Digressions recorded during the ADSA Discover Conference on dairy

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00:57:16

ADSA’s Graduate Student Division Award Winners on the...

Dairy Digressions ·

2023/10/17

In the latest episode of Dairy Digressions, Matt welcomes a full house with the winners of ADSA’s Graduate Student Division awards. These young leaders are forging dairy’s future path—not just with groundbreaking scientific research but with their dedication, professionalism, and vision for where dairy is headed.Connor McCabe, current Graduate Student Division President, joins us to explain the division and what drew him to ADSA. Joining Connor are award winners representing both dairy foods and

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00:46:15

Navigating Transition Cow Health and Accelerating...

Dairy Digressions ·

2023/08/22

Why is it such an incredibly exciting time in both dairy science and veterinary medicine? Find out as Matt sits down with Stephen LeBlanc, director of the prestigious Dairy at Guelph—a center that supports collaboration between dairy-related researchers—a member of the ADSA Board of Directors, and professor and research leadership chair at the University of Guelph. Stephen walks us through exactly what goes into a doctor of veterinary science (DVSc) degree and outlines his research to improve the

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00:45:20

Methane’s Genetic Heritability, Big Data, and the...

Dairy Digressions ·

2023/08/01

Are dairy cows second only to humans in terms of the amount of genetic testing they’ve received? Join in on the debate—and get an infusion of vibrant ADSA Annual Meeting energy—in episode six with Filippo Miglior, senior advisor of genetic strategic initiatives with Lactanet, dairy geneticist at the University of Guelph, and member of the 2023 Journal of Dairy Science Club 100. Filippo and Matt chat about the explosion of genetics data in dairy and how researchers are working with artificial

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00:49:55

Dairy Nutrition and Managing the Rumen Microbiome for...

Dairy Digressions ·

2023/07/18

Come for the dairy nutritionist banter—stay for the fascinating advancements in rumen microbiome science. In episode five, Matt sits down with Jeff Firkins, a dairy microbiologist and nutritionist at The Ohio State University and senior editor at the Journal of Dairy Science at the 2023 ADSA Annual Meeting. The two friends and colleagues reflect on lessons learned from the ruminant nutrition symposium on rumen microbiota—reviewing the forward leap dairy science has taken in understanding the

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00:46:40

The Dairy Reproduction Revolution of the Past and the...

Dairy Digressions ·

2023/07/07

How is dairy technology similar to Star Trek? Beam in to find out as Matt interviews fellow reproductive physiologist and extension specialist Paul Fricke, PhD, from the University of Wisconsin–Madison and an editor at the Journal of Dairy Science. Paul chats through his lauded career to improve the reproductive efficiency of dairy cattle through research-driven, practical management strategies and new reproductive technologies applied on the farm. The two repro experts explain how getting cows

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00:48:11

Dairy Foods Microbiology, the Good and Bad of...

Dairy Digressions ·

2023/07/06

Recording in person from the 2023 ADSA Annual Meeting, Matt steps out of his production comfort zone to chat about dairy microbiology with Olivia McAuliffe, a principal food scientist at Teagasc Food Research Center in Ireland, honorary professor at Queen’s University Belfast, and senior editor of the Journal of Dairy Science. Explaining her research in strain discovery, Olivia pulls back the curtains for listeners on the small army of dairy foods professionals working behind the scenes to optimize

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01:06:45

Ruminant Methane, Sustainability, and the Future of...

Dairy Digressions ·

2023/05/30

In episode two of Dairy Digressions, Matt sits down with Jan Dijkstra, PhD, associate professor of ruminant nutrition at Wageningen University in the Netherlands, to talk about the topic on every dairy professional’s mind: the sustainable future of dairying. While this topic has taken center stage in the Netherlands—with the government’s plan to cut 50% of its current nitrogen emissions by 2030 to meet European Union climate targets—reducing greenhouse gasses is a global goal and a pressing research

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